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Guide on how to get started with Competitive Programming. Go to any platform like Codeforces, sort problems by difficulty and just ...

Tutorial for beginners on computations modulo P in competitive programming. In so many Codeforces problems, we need to print ...

5 simple tips to become a red coder in https://codeforces.com/. What algorithmic books do you need? Which algorithm and topic ...

... me on Facebook: https://www.facebook.com/errichto Competitive Programming Discord: https://discordapp.com/invite/UzaURu7 ...

I use Ubuntu (Linux) with Geany for Competitive Programming, here's instructions if you want to use the same setup. Steps are ...

Solving CSES coding problems about algorithms and data structures https://cses.fi/problemset Chapter: Dynamic Programming ...

More info: https://codeforces.com/blog/entry/79435 Subscribe for more educational videos on algorithms, coding interviews and ...

Solving CSES coding problems about algorithms and data structures https://cses.fi/problemset Chapter: Introductory Problems.

Solving Codeforces problems about algorithms and data structures. Also on Twitch https://www.twitch.tv/errichto.

Clip from google code jam round 1B 2021 errichto stream, and his disappointment on first problem.

Hit 'C' for subtitles. I will show you how to stress-test your program to find a counter-test during a contest like Olympiad in ...

Tutorial on bitsets in C++. You will often see on Codeforces that you should "just use bitsets", and now you will learn how to do it.

I talk about Competitive programming while playing chess with programmer/youtuber Gaurav Sen. Will I win at least once?

Binary exponentiation (or exponentiation by squaring) is an algorithm that quickly computes a big power a^b in O(log(b)).

Overview of online and onsite programming competitions/contests like Codeforces, Google Code Jam, Facebook Hacker Cup, ...